Abstract type "TravelTips" must resolve to an Object type at runtime for field "Query.travelTipBySlug". Either the "TravelTips" type should provide a "resolveType" function or each possible type should provide an "isTypeOf" function.
个性化行程
新的
Lithuania
怎么运行的：
1
完成购买
选择您想要的行程长度并完成付款流程。
2
回答调查
购买后，我会向您发送一个调查链接以供您填写。
3
接收行程
我将在 3-10 天内根据您的调查答案提供个性化行程。
会发生什么
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